Sand we begin with that breaking news. Two police officers shot in a Las Vegas restaurant. Authorities say it's believed they were targeted by two shooters, a man and a woman. That restaurant was in a crowded Walmart shopping plaza. Authorities putting up the police tape late today after the gunmen entered the Walmart itself, reportedly killing someone in the store. During it all, witnesses say they were shouting, "This is a revolution," later turning their guns on themselves. ABC's bazi kanani leading us off tonight. Reporter: Dozens of police officers surrounding a Vegas Walmart after two gunmen terrorized customers at a local shopping center. Investigators say the shooters walked into a CICI's pizza restaurant, where our local affiliate KNTV is reporting they shot two police officers. I saw the gun in their hand and he just told me to tell the cop that it was a revolution. Reporter: The gunmen then crossed the street and entered a Walmart, where more gun fire erupted, killing one. Police say the two shooters went to the back of the store and carried out a suicide pact. Both gunmen are dead. Police are still investigating tonight. The motive for the shootings is still unclear. David? All of this unfolding right now. Bazi, thank you. We'll have much more throughout the night at abcnews.com and of course more tomorrow morning on "Good morning America."

This transcript has been automatically generated and may not be 100% accurate.

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